Question 1: Yoshitomi's second Blue Drop________, entitled Blue Drop: Tenshi no Bokura, was serialized in the magazine Champion Red (published by Akita Shoten) between February 19, 2007 and January 19, 2008.

Question 4: All of them have blue eyes and their blood turns milky white when it touches air,[7] but their main characteristic lies in their ________:[5] they are all female, and their sexual orientation is homosexual.